相关单词同義詞beginning, opportunity, threshold, conception, chance, preliminary, inauguratory, cracking, unwrapping, 近義詞n. beginning, hole, opportunity, place, position adj. beginning, commencing, early, first反義詞n.blockage, close, ending, finishadj.closing, ending臨近詞opera, opener, openings, opening up, opening at, opening for, opening way, opening cut, opening bit, opening day, opening die, opening lab相似詞open-toed, open-top, opencast, opener, opening hours, opening night, opening time, openly, 返回 opening